Chapter 18 and 19

Question 1

How did Grand Teton National Park Form?

Answer 1

tilting of fault blocks during extension in the basin and range area

Question 2

North America has 2 great mountain ranges

Answer 2

Appalachian (east) and cordilleran (west)

Question 3

n/a

Answer 3

convergence, extension, erosion, magmatism

Question 4

What are inholdings?

Answer 4

privately owned land inside the boundary of a national park

Question 5

What is the NPS perspective on these park features?

Answer 5

There are problems with inholdings:
- motorized access across wilderness to inholdings
- land speculation and threatened devlopment of inholdings
-use of inholdings is incompatible with the wilderness
legal ambiguites regarding property rights of inholding landowners

Question 6

What explains why mountains form and where they are located?

Answer 6

plate tectonics

Question 7

What is the primary driver of the creation of mountains?

Answer 7

the mantle

Question 8

Can magma uplift and create mountains?

Answer 8

Yes

Question 9

What are uplifted portions of the earth’s crust

Answer 9

mountains

Question 10

What processes drive the uplift of the earth’s crust?

Answer 10

collision, extension, and strike-slip

Question 11

What process created big bend?

Answer 11

many different processe

Question 12

How do continents grow over long periods of time?

Answer 12

through continental collision

Question 13

what are the backbones of continental crust?

Answer 13

mountains

Question 14

Can mountains form from multiple geological processes?

Answer 14

yes

Question 15

Are mountains constantly eroded?

Answer 15

yes

Question 16

What processes must happen for a mountain to exist in a landscape?

Answer 16

must have appeared more recently in geological time, be compromised of rocks resistant to erosion, or both processes occur concurrently

Question 17

Is the Teton fault at the base of the range hazardous?

Answer 17

Yes. The highest seismic hazard is associated with the Teton fault.